Update nextcloud chart migrating it to newer storage format

This commit is contained in:
Waqar Ahmed
2021-02-03 22:13:33 +05:00
parent 7db9059e25
commit 58a796ab6f
9 changed files with 134 additions and 261 deletions

View File

@@ -0,0 +1,23 @@
#!/usr/bin/python3
import json
import sys
def migrate(values):
values.update({
'appVolumeMounts': {
'nextcloud-data': {
'hostPathEnabled': values['nextcloudDataHostPathEnabled'],
**({'hostPath': values['nextcloudHostPath']} if values.get('nextcloudHostPath') else {})
},
},
'updateStrategy': values.get('nextcloud').get('strategy', 'Recreate'),
})
return values
if __name__ == '__main__':
if len(sys.argv) != 2:
exit(1)
print(json.dumps(migrate(json.loads(sys.argv[1]))))

View File

@@ -9,6 +9,8 @@ groups:
description: "Configure nextcloud container parameters"
- name: "Postgresql Configuration"
description: "Configure Postgresql for nextcloud"
- name: "Scaling/Upgrade Policy"
description: "Configure how pods are replaced when configuration is upgraded"
portals:
web_portal:
@@ -94,16 +96,20 @@ questions:
type: path
default: "/var/www/html/data"
required: true
- variable: strategy
label: "Nextcloud update strategy"
schema:
type: string
default: "Recreate"
enum:
- value: "RollingUpdate"
description: "Create new pods and then kill old ones"
- value: "Recreate"
description: "Kill existing pods before creating new ones"
# Update strategy
- variable: updateStrategy
description: "Upgrade Policy"
label: "Update Strategy"
group: "Scaling/Upgrade Policy"
schema:
type: string
default: "Recreate"
enum:
- value: "RollingUpdate"
description: "Create new pods and then kill old ones"
- value: "Recreate"
description: "Kill existing pods before creating new ones"
- variable: service
description: "Nextcloud Service Configuration"
@@ -122,80 +128,89 @@ questions:
default: 9001
required: true
- variable: nextcloudDataHostPathEnabled
label: "Configure Host Path for Nextcloud data"
group: "Storage"
schema:
type: boolean
default: false
show_subquestions_if: true
subquestions:
- variable: nextcloudHostPath
label: "Specify HostPath for Nextcloud data"
schema:
type: hostpath
- variable: nextcloudDataVolume
label: "Nextcloud Data Volume Defaults"
- variable: appVolumeMounts
label: "Nextcloud Storage"
group: "Storage"
schema:
type: dict
$ref:
- "normalize/ixVolume"
show_if: [["nextcloudDataHostPathEnabled", "=", false]]
attrs:
- variable: mountPath
label: "Nextcloud Data Mount Path"
description: "Path where the volume will be mounted inside the pod"
- variable: nextcloud-data
label: "Nextcloud Data Volume"
schema:
type: path
editable: false
default: "/var/www"
- variable: datasetName
label: "Nextcloud Dataset Name"
schema:
type: string
default: "ix-nextcloud_data"
editable: false
type: dict
attrs:
- variable: datasetName
label: "Nextcloud Data Volume Name"
schema:
type: string
$ref:
- "normalize/ixVolume"
show_if: [["hostPathEnabled", "=", false]]
default: "ix-nextcloud_data"
editable: false
- variable: mountPath
label: "Nextcloud Data Mount Path"
description: "Path where the volume will be mounted inside the pod"
schema:
type: path
editable: false
default: "/var/www"
- variable: hostPathEnabled
label: "Enable Host Path for Nextcloud Data Volume"
schema:
type: boolean
default: false
show_subquestions_if: true
subquestions:
- variable: hostPath
label: "Host Path for Nextcloud Data Volume"
schema:
type: hostpath
required: true
- variable: postgresBackupVolume
label: "Postgres Backup Volume Defaults"
- variable: postgresAppVolumeMounts
label: "Postgres Storage"
group: "Storage"
schema:
type: dict
$ref:
- "normalize/ixVolume"
attrs:
- variable: mountPath
label: "Postgres Backup Mount Path"
- variable: postgres-data
label: "Postgres Data Volume"
schema:
type: path
editable: false
default: "/postgres_backups"
- variable: datasetName
label: "Postgres Backup Dataset Name"
type: dict
attrs:
- variable: datasetName
label: "Postgres Data Volume Name"
schema:
type: string
$ref:
- "normalize/ixVolume"
default: "ix-postgres_data"
editable: false
- variable: mountPath
label: "Postgresql Data Mount Path"
description: "Path where the volume will be mounted inside the pod"
schema:
type: path
editable: false
default: "/var/lib/postgresql/data"
- variable: postgres-backup
label: "Postgres Backup Volume"
schema:
type: string
default: "ix-postgres_backups"
editable: false
- variable: postgresDataVolume
label: "Postgresql Data Volume Defaults"
group: "Storage"
schema:
type: dict
$ref:
- "normalize/ixVolume"
attrs:
- variable: mountPath
label: "Postgres Mount Path"
schema:
type: path
editable: false
default: "/var/lib/postgresql/data"
- variable: datasetName
label: "Postgres Dataset Name"
schema:
type: string
default: "ix-postgres_data"
editable: false
type: dict
attrs:
- variable: datasetName
label: "Postgres Backup Volume Name"
schema:
type: string
$ref:
- "normalize/ixVolume"
default: "ix-postgres_backups"
editable: false
- variable: mountPath
label: "Postgresql Backup Mount Path"
description: "Path where the volume will be mounted inside the pod"
schema:
type: path
editable: false
default: "/postgres_backups"

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@@ -1,114 +0,0 @@
{{/* vim: set filetype=mustache: */}}
{{/*
Expand the name of the chart.
*/}}
{{- define "nextcloud.name" -}}
{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
{{- end -}}
{{/*
Create a default fully qualified app name.
We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
If release name contains chart name it will be used as a full name.
*/}}
{{- define "nextcloud.fullname" -}}
{{- if .Values.fullnameOverride -}}
{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
{{- else -}}
{{- $name := default .Chart.Name .Values.nameOverride -}}
{{- if contains $name .Release.Name -}}
{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
{{- else -}}
{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{/*
Create a default fully qualified app name.
We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
*/}}
{{- define "nextcloud.mariadb.fullname" -}}
{{- printf "%s-%s" .Release.Name "mariadb" | trunc 63 | trimSuffix "-" -}}
{{- end -}}
{{/*
Create a default fully qualified redis app name.
We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
*/}}
{{- define "nextcloud.redis.fullname" -}}
{{- printf "%s-%s" .Release.Name "redis" | trunc 63 | trimSuffix "-" -}}
{{- end -}}
{{/*
Create chart name and version as used by the chart label.
*/}}
{{- define "nextcloud.chart" -}}
{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
{{- end -}}
{{/*
Retrieve host path from ix volumes based on dataset name
*/}}
{{- define "retrieveHostPathFromiXVolume" -}}
{{- range $index, $hostPathConfiguration := $.ixVolumes }}
{{- $dsName := base $hostPathConfiguration.hostPath -}}
{{- if eq $.datasetName $dsName -}}
{{- $hostPathConfiguration.hostPath -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{/*
Retrieve host path defined in volume
*/}}
{{- define "configuredHostPath" -}}
{{- if .Values.emptyDirVolumes -}}
{{- printf "" -}}
{{- else if .Values.nextcloudDataHostPathEnabled -}}
{{- required "Please specify a host path for nextcloud" .Values.nextcloudHostPath -}}
{{- else -}}
{{- $volDict := dict "datasetName" $.Values.nextcloudDataVolume.datasetName "ixVolumes" $.Values.ixVolumes -}}
{{- include "retrieveHostPathFromiXVolume" $volDict -}}
{{- end -}}
{{- end -}}
{{/*
Retrieve backup postgresql host path defined in volume
*/}}
{{- define "configuredBackupPostgresHostPath" -}}
{{- if .Values.emptyDirVolumes -}}
{{- printf "" -}}
{{- else -}}
{{- $volDict := dict "datasetName" $.Values.postgresBackupVolume.datasetName "ixVolumes" $.Values.ixVolumes -}}
{{- include "retrieveHostPathFromiXVolume" $volDict -}}
{{- end -}}
{{- end -}}
{{/*
Retrieve postgresql data host path defined in volume
*/}}
{{- define "configuredPostgresHostPath" -}}
{{- if .Values.emptyDirVolumes -}}
{{- printf "" -}}
{{- else -}}
{{- $volDict := dict "datasetName" $.Values.postgresDataVolume.datasetName "ixVolumes" $.Values.ixVolumes -}}
{{- include "retrieveHostPathFromiXVolume" $volDict -}}
{{- end -}}
{{- end -}}
{{/*
Selector labels
*/}}
{{- define "nextcloud.selectorLabels" -}}
app.kubernetes.io/name: {{ include "nextcloud.name" . }}
app.kubernetes.io/instance: {{ .Release.Name }}
{{- end }}
{{/*
Nextcloud service account
*/}}
{{- define "nextcloud.serviceAccountName" -}}
{{- printf "%s-service-account" .Release.Name -}}
{{- end -}}

View File

@@ -36,8 +36,14 @@ Retrieve postgres credentials for environment variables configuration
Retrieve postgres volume configuration
*/}}
{{- define "postgres.volumeConfiguration" -}}
{{ $vols := list }}
{{ $vols = mustAppend $vols (dict "name" "postgres-data" "emptyDirVolumes" .Values.emptyDirVolumes "hostPathEnabled" false "pathField" nil "datasetName" (.Values.postgresDataVolume | default dict).datasetName ) }}
{{ $vols = mustAppend $vols (dict "name" "postgres-backup" "emptyDirVolumes" .Values.emptyDirVolumes "hostPathEnabled" false "pathField" nil "datasetName" (.Values.postgresBackupVolume | default dict).datasetName ) }}
{{ include "common.storage.volumesConfiguration" (dict "ixVolumes" .Values.ixVolumes "volumes" $vols) }}
{{ include "common.storage.configureAppVolumes" (dict "appVolumeMounts" .Values.postgresAppVolumeMounts "emptyDirVolumes" .Values.emptyDirVolumes "ixVolumes" .Values.ixVolumes) | nindent 0 }}
{{- end -}}
{{/*
Retrieve postgres volume mounts configuration
*/}}
{{- define "postgres.volumeMountsConfiguration" -}}
{{ include "common.storage.configureAppVolumeMountsInContainer" (dict "appVolumeMounts" .Values.postgresAppVolumeMounts ) | nindent 0 }}
{{- end -}}

View File

@@ -1,21 +0,0 @@
{{/*
Retrieve previous chart version from which we are upgrading to a newer chart version
*/}}
{{- define "tn.chart.old_version" -}}
{{- if .Values.ixChartContext.is_upgrade -}}
{{- .Values.ixChartContext.upgradeMetadata.oldChartVersion -}}
{{- else -}}
{{- fail "A chart upgrade is not taking place" -}}
{{- end -}}
{{- end -}}
{{/*
Retrieve new chart version to which we are upgrading from an old chart version
*/}}
{{- define "tn.chart.new_version" -}}
{{- if .Values.ixChartContext.is_upgrade -}}
{{- .Values.ixChartContext.upgradeMetadata.newChartVersion -}}
{{- else -}}
{{- fail "A chart upgrade is not taking place" -}}
{{- end -}}
{{- end -}}

View File

@@ -1,6 +1,6 @@
{{- if .Values.ixChartContext.isUpgrade -}}
{{ $values := . }}
{{ $_ := set $values "nameSuffix" "postgres" }}
{{ $values := (. | mustDeepCopy) }}
{{ $_ := set $values "common" (dict "nameSuffix" "postgres") }}
apiVersion: batch/v1
kind: Job
metadata:
@@ -24,11 +24,7 @@ spec:
env: {{ include "postgres.envVariableConfiguration" $values | nindent 10 }}
- name: BACKUP_NAME
value: {{ template "postgres.backupName" . }}
volumeMounts:
- name: postgres-data
mountPath: /var/lib/postgresql/data
- name: postgres-backup
mountPath: /postgres_backups
volumeMounts: {{ include "postgres.volumeMountsConfiguration" $values | nindent 10 }}
- name: backup-script-configmap
mountPath: /bin/backup_entrypoint.sh
readOnly: true

View File

@@ -1,21 +1,8 @@
{{ $postgres_values := (. | mustDeepCopy) }}
{{ $_ := set $postgres_values "common" (dict "nameSuffix" "postgres") }}
apiVersion: {{ include "common.capabilities.deployment.apiVersion" . }}
kind: Deployment
metadata:
name: {{ template "common.names.fullname" . }}
labels: {{ include "common.labels" . | nindent 4 }}
annotations: {{ include "common.annotations" . | nindent 4 }}
spec:
replicas: 1
strategy:
type: {{ .Values.nextcloud.strategy }}
selector:
matchLabels: {{ include "common.labels.selectorLabels" . | nindent 6 }}
template:
metadata:
labels: {{ include "common.labels.selectorLabels" . | nindent 8 }}
annotations: {{ include "common.annotations" . | nindent 8 }}
{{ include "common.deployment.common_config" . | nindent 0 }}
spec: {{ include "common.deployment.common_spec" . | nindent 2 }}
template: {{ include "common.deployment.pod.metadata" . | nindent 4 }}
spec:
initContainers:
- name: init-postgresdb
@@ -61,10 +48,7 @@ spec:
- name: nextcloud-data
mountPath: /var/www/html/themes
subPath: "themes"
volumes:
{{ $vols := list }}
{{ $vols = mustAppend $vols (dict "name" "nextcloud-data" "emptyDirVolumes" .Values.emptyDirVolumes "hostPathEnabled" .Values.nextcloudDataHostPathEnabled "pathField" .Values.nextcloudHostPath "datasetName" (.Values.nextcloudDataVolume | default dict).datasetName ) }}
{{ include "common.storage.volumesConfiguration" (dict "ixVolumes" .Values.ixVolumes "volumes" $vols) | nindent 8 }}
{{ include "common.storage.allAppVolumes" .Values | nindent 6 }}
# Will mount configuration files as www-data (id: 33) for nextcloud
securityContext:
fsGroup: 33

View File

@@ -1,31 +1,15 @@
{{ $values := (. | mustDeepCopy) }}
{{ $_ := set $values "common" (dict "nameSuffix" "postgres") }}
apiVersion: {{ include "common.capabilities.deployment.apiVersion" . }}
kind: Deployment
metadata:
name: {{ template "common.names.fullname" $values }}
labels: {{ include "common.labels.selectorLabels" $values | nindent 4 }}
spec:
replicas: 1
strategy:
type: {{ .Values.nextcloud.strategy }}
selector:
matchLabels: {{- include "common.labels.selectorLabels" $values | nindent 6 }}
template:
metadata:
labels: {{- include "common.labels.selectorLabels" $values | nindent 8 }}
annotations: {{- include "common.annotations" $values | nindent 8 }}
{{ include "common.deployment.common_config" $values | nindent 0 }}
spec: {{ include "common.deployment.common_spec" $values | nindent 2 }}
template: {{ include "common.deployment.pod.metadata" $values | nindent 4 }}
spec:
containers:
- name: {{ .Chart.Name }}-postgres
image: {{ template "postgres.imageName" . }}
imagePullPolicy: {{ .Values.image.pullPolicy }}
env: {{ include "postgres.envVariableConfiguration" $values | nindent 10 }}
volumeMounts:
- name: postgres-data
mountPath: /var/lib/postgresql/data
- name: postgres-backup
mountPath: /postgres_backups
volumeMounts: {{ include "postgres.volumeMountsConfiguration" $values | nindent 10 }}
ports:
- name: postgres-tcp
containerPort: 5432